Where does “torf” come from?

torf (Middle English) comes from Old English turf, from Proto-West Germanic turb, from Proto-Germanic turbz, from Proto-Indo-European dorbh- — tuft, grass.

Ancestry of “torf”, step by step

StepLanguageWordMeaning
1Old Englishturfturf
2Proto-West Germanicturbturf, peat
3Proto-Germanicturbzturf, peat
4Proto-Indo-Europeandorbh-tuft, grass
Every word from Proto-Indo-European dorbh- →Every word from Proto-Germanic turbz →Every word from Proto-West Germanic turb →